CN103670568B - A kind of diesel engine and possess valve and close the distribution device of function evening - Google Patents
A kind of diesel engine and possess valve and close the distribution device of function evening Download PDFInfo
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- CN103670568B CN103670568B CN201310573463.2A CN201310573463A CN103670568B CN 103670568 B CN103670568 B CN 103670568B CN 201310573463 A CN201310573463 A CN 201310573463A CN 103670568 B CN103670568 B CN 103670568B
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Abstract
A kind of diesel engine disclosed in the present invention and possess the distribution device that valve closes function evening, this distribution device comprises valve actuating push rod, plunger, control module and main switching valve; Valve actuating push rod and plunger coordinate formation plunger case, utilize valve actuating push rod relative to the placement property with cylinder cap, control module is made to be fixedly connected on cylinder cap, make valve actuating push rod and control module coordinate again and form mechanical type sliding valve structure, close to control plunger case oil inlet and oil return mouth or open, then this sliding valve structure coordinates with the main switching valve between system pressure oil circuit and control module oil-feed oil circuit, is controlled opportunity the oil-feed of plunger case and oil return.When system pressure oil circuit and mechanical type guiding valve oil-feed oil circuit disconnect, engine valve is normally closed, when system pressure oil circuit and mechanical type guiding valve oil-feed oil circuit conducting, control module controls plunger case oil inlet and oil return mouth and closes at special position or open, engine valve late release.Compared with prior art, this air distribution structure and control procedure are comparatively simple.
Description
Technical field
The present invention relates to the distribution device technical field of motor, particularly a kind of diesel engine and possess valve and close the distribution device of function evening.
Background technique
The mechanical air-distribution mechanism of conventional engines many employings camshaft actuated inlet door and exhauxt valve opens, valve move through bent axle and camshaft, the mechanical transmission between camshaft and each valve reach control timing.The cam timing of mechanical air-distribution mechanism is the test by various different port timing, therefrom chooses a certain fixing port timing and takes into account various operating mode, be a kind of half-way house of engine performance, thus all can not reach optimum performance in all cases.
Along with becoming increasingly conspicuous of the energy and environmental problem, how effectively utilizing the energy that fuel oil produces is the problem all the time studied to improve the efficiency of motor.In order to improve engine performance, improving the thermal efficiency and also reducing hazardous emission, make that the port timing of engine breathing door is adjustable becomes inexorable trend.
Compared with fixed port timing, variable valve timing then can under rotating speed in the whole operating range of motor and load, suitable valve timing or valve lift are provided, thus improve motor inlet and outlet performance, the requirement of power character when meeting high rotating speed and the slow-speed of revolution or large load and Smaller load preferably, Economy and toxic emission.
Existing variable valve actuating mechanism is on the valve actuating push rod of motor, arrange a plunger, ram lift is superimposed upon in former valve lift, realizes valve timing or lift is variable.Pressure oil turnover in plunger cavity is controlled in real time by high speed, large discharge solenoid valve, and each cylinder of motor often works one and circulates, and pressure oil turnover plunger cavity once.
Because each cylinder of motor takes turns to operate, so need to arrange solenoid electric valve respectively to each cylinder, cost is high.The rotating speed of motor is very high, and require that the switching response of solenoid electric valve is fast, and control valve must meet traffic requirement, manufacture difficulty is large.Each cylinder arranges solenoid electric valve respectively and has strict timing requirements, proposes requirements at the higher level to control system.
In view of this, those skilled in the art urgently provide the distribution device that a kind of structure is simple, operating cost is low, normally close switching between mode of operation and late closing of valve mode of operation to realize motor at valve.
Summary of the invention
For above-mentioned defect, core object of the present invention is, those skilled in the art provide that a kind of structure is simple, operating cost is low possesses the distribution device that valve closes function evening, normally closes switching between mode of operation and late closing of valve mode of operation to realize motor at valve.On this basis, the present invention also provides a kind of diesel engine comprising above-mentioned distribution device.
A kind of distribution device possessing valve pass in evening function provided by the present invention, comprise valve actuating push rod, described valve actuating push rod has cylinder holes, oil inlet passage and drainback passage, and described distribution device also comprises:
Plunger, is positioned at described cylinder holes to form plunger case, and described valve actuating push rod is by the valve event of distribution device described in described plunger actuation, and described oil inlet passage is communicated with the plunger cavity of described drainback passage with described plunger case;
Control module, for being fixedly connected with the cylinder cap of described motor, described valve actuating push rod coordinates through described control module slipper seal, described control module offer oil-feed connecting passage and with oil return connecting passage;
Main switching valve, is arranged between system pressure oil circuit and oil-feed connecting passage;
When described system pressure oil circuit and described oil-feed connecting passage disconnect, described motor is positioned at valve and normally cuts out mode of operation; When described system pressure oil circuit and described oil-feed connecting passage conducting, described motor is positioned at late closing of valve mode of operation;
When described valve actuating push rod is positioned at rise initial position relative to described control module, described oil inlet passage and described oil-feed connecting passage disconnect, described drainback passage and the conducting of described oil return connecting passage, along with described valve actuating push rod is relative to the displacement of described control module, described oil inlet passage and the conducting of described oil-feed connecting passage, described drainback passage and described oil return connecting passage disconnect, until when described valve actuating push rod arrives backhaul final position relative to described control module, described drainback passage and the conducting again of described oil return connecting passage.
Preferably, the quantity of described drainback passage and described oil return connecting passage is two, is provided with auxiliary switching valve in two described oil return connecting passages between one and described system oil return oil circuit.
Preferably, described cylinder holes has two limited parts, to limit the distance of axial displacement of described plunger relative to described valve actuating push rod.
Preferably, described cylinder holes comprises the three sections of holes be communicated with successively be interconnected, the intermediate hole aperture in three sections of described holes is greater than aperture, hole described in two other, and the plug of described plunger coordinates with described intermediate hole, and two described limited parts are formed at the joint in three sections of described holes.
Preferably, the shape of described valve actuating push rod is in " T " font, and described oil inlet passage and described drainback passage are positioned at vertical portion, and described intermediate hole is positioned at horizontal part, and the aperture of described intermediate hole is greater than the external diameter of described vertical portion.
Preferably, in described oil inlet passage and described oil-feed connecting passage, at least one comprises the oilhole and oil groove that are interconnected, and in described drainback passage and described oil return connecting passage, at least one comprises described in the oilhole and oil groove that are interconnected;
The described oil groove of described oil inlet passage and/or described drainback passage is be opened in the circumferential hoop connected in star on described valve actuating push rod outer wall, and described oil groove is communicated with described plunger cavity by described oilhole;
And/or the described oil groove of described oil-feed connecting passage and/or described oil return connecting passage is be opened in the circumferential hoop connected in star on described control module and described valve actuating push rod matching hole hole wall, described oil groove is communicated with described system pressure oil circuit by described oilhole.
Preferably, the oil sources of described system pressure fluid is provided by the oil pump be fixedly connected on described motor, and the oil inlet end of described oil pump is communicated with the sump of described motor, and its oil outlet end is communicated with described main switching valve.
Provided by the present invention possess the distribution device that valve closes function evening, comprises valve actuating push rod, plunger, control module and main switching valve.Wherein, valve actuating push rod has cylinder holes, oil inlet passage and drainback passage, and plunger is positioned at cylinder holes to form plunger case, and valve actuating push rod is by the valve event of plunger actuation distribution device, and oil inlet passage is communicated with the plunger cavity of plunger case with drainback passage; Control module is used for being fixedly connected with the cylinder cap of motor, and valve actuating push rod passes control module and slipper seal coordinates, and control module offers oil-feed connecting passage and oil return connecting passage; Main switching valve is arranged between system pressure oil circuit and oil-feed connecting passage;
When system pressure oil circuit and oil-feed connecting passage disconnect, motor is positioned at valve and normally cuts out mode of operation; When system pressure oil circuit and the conducting of oil-feed connecting passage, motor is positioned at late closing of valve mode of operation;
When valve actuating push rod is positioned at rise initial position relative to described control module, oil inlet passage and oil-feed connecting passage disconnect, drainback passage and the conducting of oil return connecting passage, along with valve actuating push rod is relative to the displacement of control module, oil inlet passage and the conducting of oil-feed connecting passage, drainback passage and oil return connecting passage disconnect, until when valve actuating push rod slides into backhaul final position relative to described control module, and drainback passage and the conducting again of oil return connecting passage.
The present invention is by the improvement to existing machinery formula distribution device valve actuating push rod, be equipped with plunger and form plunger case structure, recycling valve actuating push rod is relative to the placement property with cylinder cap, valve actuating push rod is made to coordinate the mechanical type sliding valve structure formed with control module, then this mechanical type sliding valve structure coordinates the oil circuit controlling in real time plunger cavity with main switching valve, achieves distribution device and normally closes switching between late release mode of operation at valve.
Control compared with plunger cavity oil circuit with adopting solenoid electric valve in prior art, structure and the control procedure of what this programme provided possess valve closes evening function distribution device are comparatively simple, therefore, to manufacture and operating cost obtains significant reduction.In addition, the present invention only improves valve actuating push rod, according to motor actual conditions needs, independently can adjust, be particularly useful for the motor of inlet and outlet by same camshaft actuated to the timing of inlet and outlet door and lift.
In a preferred version of the present invention, the drainback passage of above-mentioned distribution device and the quantity of oil return connecting passage are two, arrange by auxiliary switching valve between one and system oil return oil circuit in two oil return connecting passages, to control being turned on or off of corresponding oil return connecting passage and system oil return oil circuit.
This programme is by limiting the quantity of drainback passage and oil return connecting passage, and the break-make of one and system oil return oil circuit in two oil return link road passages is controlled by auxiliary switching valve, distribution device is made to form three kinds of mode of operations, thus the multi-phase containment of valve-closing timing can be realized according to the actual demand of motor, play the flexibility of valve-control adjustment to greatest extent, to promote the dynamic performance of motor.
The present invention also provides a kind of diesel engine, comprises engine main body and distribution device, and described distribution device is for controlling the opening and closing of engine valve, and described distribution device is specially possesses valve pass in evening function distribution device as above.
In above-mentioned distribution device, there is as above technique effect, therefore, comprise this motor possessing valve pass in evening function distribution device and also should have identical technique effect, do not repeat them here.
Accompanying drawing explanation
Fig. 1 shows the structural representation of distribution device provided by the present invention;
Fig. 2 shows A place close-up schematic view in Fig. 1;
Fig. 3 shows valve molded line schematic diagram under three kinds of mode of operations of distribution device shown in Fig. 1.
Corresponding relation in Fig. 1 to Fig. 3 between reference character and all parts title:
1 valve actuating push rod, 11 cylinder holes, 12 oil inlet passages, 13 drainback passages, 2 plungers, 3 control modules, 31 oil-feed connecting passages, 32 oil return connecting passages, 4 main switching valves, 5 auxiliary switching valves.
Embodiment
Core object of the present invention is, provides that a kind of structure is simple, the valve that possesses that operating cost is low closes function distribution device evening, normally closes switching between mode of operation and late closing of valve mode of operation to realize motor at valve.On this basis, the present invention also provides above-mentionedly possess the diesel engine that valve closes function distribution device evening a kind of comprising.
Without loss of generality, existing by reference to the accompanying drawings to postpone engine intake valve closedown, the structure and the working principle thereof that possess valve pass in evening function distribution device provided by the present invention are described.It should be noted that, involved herein " rise initial position " and " backhaul final position ", all refers to position when valve actuating push rod is coordinated with the cam base circle of camshaft by tappet.
Refer to Fig. 1 and Fig. 3, wherein, Fig. 1 shows the structural representation of distribution device provided by the present invention, and Fig. 3 shows valve molded line schematic diagram under three kinds of mode of operations of distribution device shown in Fig. 1.
As shown in Figure 1, in this programme, distribution device comprises valve actuating push rod 1, plunger 2 and control module 3, main switching valve 4 and auxiliary switching valve 5.Wherein, valve actuating push rod offers cylinder holes 11, oil inlet passage 12 and drainback passage 13, plunger 2 coordinates with this cylinder holes 11 and forms plunger case, and oil inlet passage 12 is all communicated with the plunger cavity of plunger case with drainback passage 13, and valve actuating push rod drives the IO Intake Valve Opens of motor by plunger 2; Control module 3 is for being fixedly connected with the cylinder cap of motor, and valve actuating push rod 1 runs through control module 3 and slipper seal coordinates with it, control module 3 offers oil-feed connecting passage 31 and two oil return connecting passages 32; Main switching valve 4 is arranged between system pressure oil circuit and oil-feed connecting passage 31; Auxiliary switching valve 5 to be arranged in two drainback passages 13 between one and system oil return oil circuit.
Next, composition graphs 1 and Fig. 3 illustrate three kinds of mode of operations of above-mentioned variable valve actuating mechanism:
1, intake valve normally closes mode of operation, and control oil-feed connecting passage 31 and the disconnection of system pressure oil circuit by main switching valve 4, intake valve is normally closed.Be valve molded line corresponding to this mode of operation for the ease of understanding please also refer to curve A in Fig. 2, Fig. 2;
2, intake valve late release first mode of operation, main switching valve 4 controls oil-feed connecting passage 31 and is communicated with system pressure oil circuit, when valve actuating push rod 1 is positioned at rise starting point, two drainback passages 13 and the conducting of corresponding two oil return connecting passages 32, auxiliary switching valve 5 controls one in two oil return connecting passages 32 and is communicated with system pressure oil circuit, along with valve actuating push rod 1 is subjected to displacement by rise starting point relation control module 3, oil inlet passage 12 is communicated with system pressure oil circuit for twice by oil-feed connecting passage 31, plunger 2 slides into precalculated position relative to valve actuating push rod 1 by initial position under pressure oil liquid effect, when intake valve push rod slides into backhaul terminating point relative to control module 3, two drainback passages 13 are all communicated with system oil return oil circuit by correspondingly oil return connecting passage 32, plunger 2 falls after rise to initial position relative to valve actuating push rod.Be valve molded line corresponding to this mode of operation for the ease of understanding please also refer to curve B in Fig. 2, Fig. 2;
3, intake valve late release second mode of operation, this mode of operation is under intake valve late release first mode of operation, control one and system oil return oil circuit in two oil return connecting passages 32 by auxiliary switching valve 5 to disconnect and formed, the control mode of control module 3 is identical with the first intake valve late release mode of operation, does not repeat them here.Valve molded line schematic diagram corresponding to this mode of operation refers to curve C in Fig. 2.
The present invention is by the improvement to existing machinery formula distribution device valve actuating push rod, be equipped with plunger 2 and form plunger 2 cylinder structure, recycling valve actuating push rod 1 is relative to the placement property with cylinder cap, valve actuating push rod 1 is made to coordinate the mechanical type sliding valve structure formed with control module 3, then this mechanical type sliding valve structure coordinates with main switching valve 4 and controls in real time the oil circuit of plunger case, achieves distribution device and normally closes switching between late release mode of operation at valve.
Control compared with plunger case oil circuit with adopting solenoid electric valve in prior art, the air distribution structure in this programme and control procedure are comparatively simple, therefore, to manufacture and operating cost obtains significant reduction.In addition, the present invention only improves valve actuating push rod, according to motor actual conditions needs, independently can adjust inlet and outlet door in actual applications, is particularly useful for the motor of inlet and outlet by same camshaft actuated.
It should be noted that, the drainback passage 13 of above-mentioned distribution device and the quantity of oil return connecting passage 32 are two, arrange between one and system oil return oil circuit by auxiliary switching valve 5 in two oil return connecting passages 32, to control being turned on or off of correspondingly oil return connecting passage 32 and system oil return oil circuit.
This programme is by limiting the quantity of drainback passage 13 and oil return connecting passage 32, and the break-make of one and system oil return oil circuit in two oil return connecting passages 32 is controlled by auxiliary switching valve 5, distribution device is made to form two kinds of intake valve late release mode of operations, thus the multi-phase containment of valve time-delay closing can be realized according to the actual demand of motor, play the flexibility of valve-control adjustment to greatest extent, to promote the dynamic performance of motor.
Be appreciated that on the basis of satisfied adjustment valve-closing timing, processing technology and assembly technology requirement, in this programme, the quantity of drainback passage 13 can be that 1 and 3 etc. are different from the quantity in this programme.
Further, this programme by arranging two limited parts in cylinder holes 11, to limit the distance of axial displacement of plunger 2 relative to valve actuating push rod 1, realize distribution device valve lift under valve normally closes mode of operation and remain unchanged, to ensure motor working stability under specific operation.Particularly, as shown in Figure 1, cylinder holes 11 comprises the three sections of holes be communicated with successively be interconnected, and the intermediate hole aperture of three sector holes is greater than two other aperture, hole, and the plug of plunger 2 coordinates with intermediate hole, and two limited parts are formed at the joint of three sector holes.
Certainly, on the basis meeting limit function, processing technology and assembly technology requirement, cylinder holes also can adopt other structural types.Being appreciated that distribution device also by controlling to flow into the fluid amount of plunger cavity, limiting the distance of axial displacement of plunger 2 relative to valve actuating push rod 1.
In addition, please continue see Fig. 1, in this programme, the shape of valve actuating push rod 1 is in " T " font, and oil inlet passage 12 and drainback passage 13 are positioned at vertical portion, and intermediate hole is positioned at horizontal part, and the aperture of intermediate hole is greater than the external diameter of vertical portion.
By the structure to valve actuating push rod 1 in this programme, and the restriction of itself and plunger 2 and control module 3 relative position, ensureing on the basis to valve actuating push rod 1 rigidity requirement under engine work, ensure to improve rear distribution device overall volume change as far as possible less, thus reduce installation control overflow.
Certainly, on the basis that satisfied adjustment valve-closing timing function, processing technology and assembly technology require, in this programme, valve actuating push rod 1 also can adopt other structures.
In addition, this programme also limits the concrete structure of drainback passage 13, oil inlet passage 12, oil-feed connecting passage 31 and oil return connecting passage 32.Particularly, as shown in Figure 1, drainback passage 13, oil inlet passage 12, oil-feed connecting passage 31 and oil return connecting passage 32 include the oilhole and oil groove that are interconnected.Wherein, the oil groove of oil inlet passage 12 and drainback passage 13 is be opened in the circumferential hoop connected in star on the outer wall of valve actuating push rod 1 vertical portion, and this oil groove is communicated with plunger cavity by oilhole; The oil groove of oil-feed connecting passage 31 and oil return connecting passage 32 is be formed at control module 3 and the circumferential hoop connected in star on valve actuating push rod 1 matching hole hole wall, and this oil groove is communicated with system pressure oil circuit by oilhole.
Obviously, this programme adopts the drainback passage 13 of said structure, oil inlet passage 12, oil-feed connecting passage 31 and oil return connecting passage 32, after valve actuating push rod 1 and control module 3 can being avoided to relatively rotate on the one hand, oil inlet passage 12 cannot be communicated with oil return connecting passage 32 with oil-feed connecting passage 31, drainback passage 13, and cause distribution device cannot start the problem of intake valve delay mode of operation, thus distribution device functional reliability and Security can be improved; On the other hand, realize on the basis of intake valve normal off mode in guarantee, can in oil groove remaining portions fluid, when oil inlet passage 12 is communicated with the initial stage by oil-feed connecting passage 31 with system pressure oil circuit, oil groove inner fluid oil-feed oilhole flows in plunger cavity, thus can accelerate the speed of response of distribution device.
In addition, it should be noted that, in the system pressure oil circuit in this programme, pressure oil liquid is provided by the oil pump be fixedly connected on motor, and the oil inlet end of this oil pump is communicated with the sump of motor, and oil outlet end is communicated with main switching valve 4.
Obviously, this programme, by the machine oil that the utilizes motor self-contained oil sources as system pressure oil circuit, and arranges compared with independent oil sources, and the holistic cost of motor obtains the also corresponding reduction of reduction, volume.
Except above-mentioned distribution device, the present invention also provides a kind of motor, and this motor comprises the cylinder body and cylinder cap that are fixedly connected with, and for opening the distribution device of valve on cylinder cap, this distribution device is specially structure as above.Be appreciated that fundamental function parts and the working principle of this motor are substantially identical with prior art, those skilled in the art can realize completely based on prior art, therefore repeats no more herein.
The foregoing is only the preferred embodiment of the present invention, do not form limiting the scope of the present invention.Any any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (8)
1. one kind possesses the distribution device that valve closes function evening, comprise valve actuating push rod (1), it is characterized in that, described valve actuating push rod (1) has cylinder holes (11), oil inlet passage (12) and drainback passage (13), and described distribution device also comprises:
Plunger (2), be positioned at described cylinder holes (11) to form plunger case, described valve actuating push rod (1) drives the valve event of described distribution device by described plunger (2), and described oil inlet passage (12) is communicated with the plunger cavity of described plunger case with described drainback passage (13);
Control module (3), for being fixedly connected with the cylinder cap of motor, described valve actuating push rod (1) through described control module (3) and slipper seal coordinate, described control module (3) also offer oil-feed connecting passage (31) and with oil return connecting passage (32);
Main switching valve (4), is arranged between system pressure oil circuit and oil-feed connecting passage (31);
Described system pressure oil circuit and described oil-feed connecting passage (31) disconnect, and described motor is positioned at valve and normally cuts out mode of operation; When described system pressure oil circuit and described oil-feed connecting passage (31) conducting, described motor is positioned at late closing of valve mode of operation;
When described valve actuating push rod (1) is positioned at rise initial position, described oil inlet passage (12) and described oil-feed connecting passage (31) disconnect, described drainback passage (13) and described oil return connecting passage (32) conducting, along with described valve actuating push rod (1) is relative to the displacement of described control module (3), described oil inlet passage (12) and described oil-feed connecting passage (31) conducting, described drainback passage (13) and described oil return connecting passage (32) disconnect, until when described valve actuating push rod (1) arrives backhaul final position, described drainback passage (13) and described oil return connecting passage (32) conducting.
2. possesses the distribution device that valve closes function evening according to claim 1, it is characterized in that, the quantity of described drainback passage (13) and described oil return connecting passage (32) is two, is provided with auxiliary switching valve (5) in two described oil return connecting passages (32) between one and system oil return oil circuit.
3. according to claim 1 or 2, possesses the distribution device that valve closes function evening, it is characterized in that, described cylinder holes (11) has two limited parts, to limit the distance of axial displacement of described plunger (2) relative to described valve actuating push rod (1).
4. possesses the distribution device that valve closes function evening according to claim 3, it is characterized in that, described cylinder holes (11) comprises the three sections of holes be communicated with successively be interconnected, the intermediate hole aperture in three sections of described holes is greater than aperture, hole described in two other, the plug of described plunger (2) coordinates with described intermediate hole, and two described limited parts are formed at the joint in three sections of described holes.
5. possesses the distribution device that valve closes function evening according to claim 4, it is characterized in that, the shape of described valve actuating push rod (1) is in " T " font, described oil inlet passage (12) and described drainback passage (13) are positioned at vertical portion, described intermediate hole is positioned at horizontal part, and the aperture of described intermediate hole is greater than the external diameter of described vertical portion.
6. possesses the distribution device that valve closes function evening according to claim 5, it is characterized in that, described oil inlet passage (12) and the middle at least one of described oil-feed connecting passage (31) comprise the oilhole and oil groove that are interconnected, and described drainback passage (13) and the middle at least one of described oil return connecting passage (32) comprise the oilhole and oil groove that are interconnected;
The described oil groove of described oil inlet passage (12) and/or described drainback passage (13) is for being opened in the circumferential hoop connected in star on described valve actuating push rod (1) outer wall, and described oil groove is communicated with described plunger cavity by described oilhole;
And/or the described oil groove of described oil-feed connecting passage (31) and/or described oil return connecting passage (32) is for being opened in described control module (3) and the circumferential hoop connected in star on described valve actuating push rod (1) matching hole hole wall, described oil groove is communicated with described system pressure oil circuit by described oilhole.
7. possesses the distribution device that valve closes function evening according to claim 6, it is characterized in that, the oil sources of described system pressure oil circuit is provided by the oil pump be fixedly connected on described motor, the oil inlet end of described oil pump is communicated with the sump of described motor, and its oil outlet end is communicated with described main switching valve (4).
8. a diesel engine, comprises engine main body and distribution device, and described distribution device, for controlling the opening and closing of engine valve, is characterized in that, described distribution device is specially the distribution device according to any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573463.2A CN103670568B (en) | 2013-11-15 | 2013-11-15 | A kind of diesel engine and possess valve and close the distribution device of function evening |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573463.2A CN103670568B (en) | 2013-11-15 | 2013-11-15 | A kind of diesel engine and possess valve and close the distribution device of function evening |
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| CN103670568A CN103670568A (en) | 2014-03-26 |
| CN103670568B true CN103670568B (en) | 2016-04-06 |
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| CN201310573463.2A Active CN103670568B (en) | 2013-11-15 | 2013-11-15 | A kind of diesel engine and possess valve and close the distribution device of function evening |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240244B (en) * | 2017-12-29 | 2023-12-19 | 潍柴动力股份有限公司 | Variable system of diesel engine inlet valve and diesel engine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781661B (en) * | 2016-03-14 | 2018-04-03 | 潍柴动力股份有限公司 | Engine intake valve backhaul controllable device and the air distribution system provided with the device |
| WO2020124554A1 (en) * | 2018-12-21 | 2020-06-25 | 潍柴动力股份有限公司 | Valve train and engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229519Y (en) * | 1995-09-15 | 1996-06-19 | 北内集团总公司 | Hydraulic valve adapted for controlling air intake shutoff angle |
| CN101377138A (en) * | 2008-10-09 | 2009-03-04 | 天津大学 | Sliding valve type two-mode engine intake valve delaying shutdown system |
| CN101479445A (en) * | 2006-06-30 | 2009-07-08 | 瓦特西拉芬兰有限公司 | Control arrangement for a gas exchange valve in a piston engine and method of controlling a gas exchange valve in a piston engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61169608A (en) * | 1985-01-22 | 1986-07-31 | Yanmar Diesel Engine Co Ltd | Valve timing variable tappet |
| DE102004053202A1 (en) * | 2004-11-04 | 2006-06-01 | Schaeffler Kg | Valve gear of an internal combustion engine |
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- 2013-11-15 CN CN201310573463.2A patent/CN103670568B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229519Y (en) * | 1995-09-15 | 1996-06-19 | 北内集团总公司 | Hydraulic valve adapted for controlling air intake shutoff angle |
| CN101479445A (en) * | 2006-06-30 | 2009-07-08 | 瓦特西拉芬兰有限公司 | Control arrangement for a gas exchange valve in a piston engine and method of controlling a gas exchange valve in a piston engine |
| CN101377138A (en) * | 2008-10-09 | 2009-03-04 | 天津大学 | Sliding valve type two-mode engine intake valve delaying shutdown system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240244B (en) * | 2017-12-29 | 2023-12-19 | 潍柴动力股份有限公司 | Variable system of diesel engine inlet valve and diesel engine |
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|---|---|
| CN103670568A (en) | 2014-03-26 |
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